Having issues with my Camaro with a 6.0 LS 2 out of a 2006 GTO, code says misfire, it runs rough, no power at higher rpms and comes and goes. I checked all spark with an inline spark tester and it looks good, put in fuel injector cleaner and still have problem. Any of you had this problem with your LS2, I know not an SSR but should be same engine. All help appreciated. Fuel injector problem? Thanks in advance!
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